Sink furring



FIG. 1 is a top perspective view of a sink furring, showing my new design;

FIG. 2 is a top plan view of FIG. 1 ;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a left side view of FIG. 1, the right side view being a mirror image thereof; and,

FIG. 6 is a bottom plan view of FIG. 1. 

The ornamental design for a sink furring, as shown and described. 